<template>
  <div id="app">
    <keep-alive>
      <router-view/>
    </keep-alive>
  </div>
</template> 

<script>

export default {
  components: {
  },
  data() {
    return{

    }
  },
  methods: {

  },
}
</script>
<style  scoped>
#app {
  height:100vh;
}
body{
  margin: 0px;
}
</style>
